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746rwhp vr v6 turbo ute 8.95 @ 148mph - Street Commodores Online Forum In the link attached there is a turbo-ed VS V6 doing 746rwhp approx 556 rwkw using the standard plenum. I infer the standard plenum be can be that inefficient despite the turbo if figures like this can be extracted. NA...

Commy665 did you notice better throttle ie quicker response requiring less pressure on the pedal from idle and across the whole rev range ?

Damian I note in the test engine main benefits was between 1700 to 2600 rpm above this it was negative. After the 2600 rpm, the effect of the increase in volume on the intake pressure level became worse and decreased the engine performance characteristics. Is the case with 3800 engine. In...

Yeah I once believed that but no longer, the fuel needs to be atomized properly in the cold weather. Like I said maybe your proposal is correct and applicable for highly modded or supercharged vehicles in my reading for NA vehicles little benefit and little return. With respect to altering the...

I recently changed my 180 deg F thermostat back to a 195 deg F thermostat and car runs much peppier with the OEM thermstat. I had to change the 180 deg thermostat as it did not give me any warm air from the car heater system it is just too cold as my cooling system is efficient. Prior to the...

Hi Mace ECOTEC PERFORMANCE 12MM PLENUM SPACER Holden 3.8L V6 VS VT VX VU VY - Mace Engineering Group I have given up on the aluminum spacer and try the plenum the space as per the link above. Quote from the website "Plenum spacer is a special spacer that sits between your plenum cover and...

Delcowiz. Yeah but I would like the option to run the stock tune vs v6 with a custom 98 ron only tune. These are two separate tunes can these be put onto the single memcal and the computer self adjusts according to readings.

Hypothetical question. Reading through above is it possible using an LPG memcal can you have dedicated tunes for 2 octanes eg. one of 91ron and 98ron unleaded and install this set up such that the computer can to read either table simultaneously and select from the either tune WITHOUT a...

COLD AIR INTAKE MANIFOLD INSULATOR 12MM FOR HOLDEN VX - VY ECOTEC V6 - Mace Engineering Group Hi Mace I refer to the above link and I would like to know if Mace can supply a manifold spacer for the VY 3800 V6 ecotec commodore in aluminum 12mm material. I understand the advertising and focus...

Any news as to the root cause of the clutch slipping ? Durability testing feedback from MACE??

With the approx 30% increase in power to the wheels what impacts are there on other parts of the drive train ?? Transmission upgrade to accommodate additional forces, diff upgrade, suspension ?? Durability of parts and vehicle longevity, not trying to be negative, just checking overall...

How was performance measured with dyno butt and perception of the mind ?

Looks like the spacer has little little for mpg, perhaps made the fuel economy worse based on the figures presented,

I installed stock HM headers in my VS V6 3.8L (with ported heads) with a 2.25" straight thru CAT back system. Can say I noticed a lot a difference against the stock OEM headers in terms of butt dyno performance. Big difference I noticed is the cast iron is the warm up during the cold days for...

Royinthegreyshirt Your right TI3VOM is a clown. Post what you like. Bring up old posts. Clowns like him are responsible for loss of interest and do the JC forum no favours. Good on you for the rebuttal.

Out of the abundance of the heart the mouth speaketh.

Nothing has changed. You did not quote posts #13 and #18 of that thread. You didn't get then Hmm wrong tree wrong garden.

refer to previous post.

Easy go reread what I have written, study it, absorb it reread the link I posted and you will be amazed.

Took a long time to answer. Good find another myth which should be dispelled. Go read on the street commodores forum about exhausts it may help you understanding, what I wrote in attached link still stands. This link doesn't discredit the truth. Don't need to imply anymore doing well without...

Well answer this serious question "Do you work for a high performance auto store or sell supposedly high performance auto products ?" Answer the question! Its yes or no! Pretty simple. Not sure why the drama response. You have not understood anything I have posted. You don't even know the...

Typical internet engineer response that doesn't understand. Do you work for a high performance auto store or sell supposedly high performance auto products ?? Plenty on the net always putting down truth. I agree. No more time wasting. No more time wasting.

Small point that you seem to ignore in your posts we once young too probably your age. We have had experiences we have seen experiences of our our friends we were not born old. Listen to truth and buy it not. You have received free counselling here. Choose and choose wisely. Life is a...

You have been sucked in. Now trying to back of the myth you promote. If you claim not to promote filters like K&N and those of a similar type then you need to rewrite all of your posts. Most auto magazine product tests are usually funded by the suppliers in question in some way or form and...

The link you posted means zip. Its designed to suck people in, I was sucked in once. Obviously you have made up your mind that with K&N you are on a winner. For race cars what you say maybe true, for street driven cars waste of time and money. Quote: I want a link that shows the actual...

Conversely show some evidence that these do work. The link in your response is useless information as it is advertising by the manufacturer. Proves nothing. Check out Bobistheoilguy site for K&N filters and contamination of engine oil. K&N are for racing where the engine oil is usually changed...

For the air filter to cause a vehicle to "miss" it must have been pretty dirty, blocked and causing starvation. Are you sure it was the free flowing paper air cleaning which was not an old one just blown clean by the mechanic. I trust the air cleaner you used to was new. For an air clean to...

You took out the MAF mesh because GM Motorsport do it ......?? This doesn't make sense. So what GM Motorsport do whatever. BTW K&N filters are leaders for letting crap into into the engine. To many have been sucked in with the K&N myth plenty of info IF you google K&N filters you will find...

Are you sure this is the case with every tick ? I leave it to my mechanic to check advise and he is happy with the progress.

Good point should have checked the date anyway for those surfing here the Shell Helix Ultra 5w-40 got rid of ticking after the oil change.

Extractors and cat-back can make it little sluggish off the mark if you up-sized pending what you installed. Up-sizing the exhaust can cool gases too quickly and reduce gas flow and engine has to work harder to push these out. Extractors and cat-back system mainly for sound and some end top...

Try Shell Helix Ultra 5w-40 next oil change.

12.2L / 100km much too high for freeway use.

Bump make an offer Any genuine Perth buyers interested call me on 0403 176 581.

Why would you chop out the mufflers, engine was designed to take into account the gas expansion at that point and various other points in the system. You should replace factory with a straight thru like one at least like a Lukey Ultra Flow or similar and not just a straight pipe. Some years...

Any genuine Perth buyers interested call me on 0403 176 581. Happy to do a special cash deal if you pickup. The suburb is Coogee.

The1 thanks for the response.

VN - VS V6 Super 6 Cold Air Intake + Snorkel + Lower Box + K&N & Lukey Filters ITEM: VS V6 Cold Air Intake Supercharged OTR + Snorkel + Lower Air Box + K&N Panel Filter & Lukey High Flow Panel Filter will suit VN to VS V6 models LOCATION: Perth WA CONDITION: Used (Like new CAI ) PRICE...

OP you should take heed to the above advice< I offer the following comments. The shock needs to be tuned to the spring in terms of both their respective travel length and compression/rebound rates. Who installed the springs without checking out the impact on the rest of the suspension...

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